Figure 1 (a) Schematic set-up for surface X-ray photon correlation spectroscopy at the beamline 8-ID at the APS. Typical distances are: source-monochromator, 53 m; monochromator-sample, 2 m; sample-detector, 3.5 m. (b) The schematic reflectivity geometry in XPCS.

© International Union of Crystallography 2007